docs: Add Oxc (oxlint, oxfmt) guide (#11398)
## Summary
- Add comprehensive documentation for using oxlint and oxfmt with
Turborepo as Root Tasks
- Add `quality:fix` root script that orchestrates `lint:fix`,
`format:fix`, and `fix:toml` tasks
- Reorganize `turbo.json` task definitions for better readability
- Add Oxc card to the tools index page
## Changes
### New Documentation (`docs/site/content/docs/guides/tools/oxc.mdx`)
- Installation instructions for oxlint and oxfmt across all package
managers
- Configuration examples for scripts and turbo.json Root Tasks
- Guidance on using `.oxlintignore` for monorepos
- Combined quality task setup for repositories using both tools
### Root Scripts (`package.json`, `turbo.json`)
- Added `quality:fix` script that depends on lint:fix, format:fix, and
fix:toml
- Reorganized task definitions in turbo.json for clarity
